Home / 75,769.20-113,654.16-23,178.60

Finding the Fourth Proportional to 75,769.20, 113,654.16 and 23,178.60

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Solution

The fourth proportional to 75,769.20, 113,654.16 and 23,178.60 is: 34,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,769.20 : 113,654.16 = 23,178.60 : x
  2. Step 2: Convert to fraction form
    75,769.20/113,654.16 = 23,178.60/x
  3. Step 3: Cross multiply
    75,769.20x = 113,654.16 × 23,178.60
  4. Step 4: Simplify right side
    75,769.20x = 2,634,344,312.98
  5. Step 5: Solve for x
    x = 2,634,344,312.98/75,769.20
  6. Step 6: Final answer
    x = 34,768.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.